UNI-T UT219P User Manual page 9

1) Connect red test lead (connected with red alligator clip already) with "V" terminal; and black
(connected with black alligator clip already) with "COM".
2) Set the rotary switch to "3PW", press "Δ/ 3P4W " to select 3P4W balance mode, then the
clamp enters wire connection interface, as shown below:
" L1" on top right corner indicates the jaws clamp L1 live wire, "n" on bottom left corner
indicates test lead from COM terminal connects with neutral wire, "L1" on bottom right corner
indicates test lead from V terminal connects with L1 live wire. The finger symbol on "HOLD"
segment flashes to indicate pressing "HOLD" button to enter measurement interface.
3) According to the wire connection interface (Fig. 9), clamp L1 live wire, connect L1 live wire
with test lead from V terminal, and connect neutral wire with test lead from COM terminal,
then press "HOLD" button to enter measurement interface.
4) In measurement interface, press SELECT button to cyclically read active power, apparent
power, reactive power, power factor and phase angle, as shown below:
Short press Short press
Main display: Active power Main display: Apparent power Main display: Reactive power
Auxiliary display 1: Power factor Auxiliary display 1: Power factor Auxiliary display 1: Power factor
Auxiliary display 2: AC voltage Auxiliary display 2: AC voltage Auxiliary display 2: AC voltage
Auxiliary display 3: AC current Auxiliary display 3: AC current Auxiliary display 3: AC current
Short press
Main display: Phase angle
Auxiliary display 1: Active power
Auxiliary display 2: AC voltage
Auxiliary display 3: AC current
4.3 3-phase 3-wire (3P3W) unbalance mode (Fig. 10)
Red
L1/R/A
Black
Black
L2/S/B
Red
L3/T/C
AC 3-phase 3-wire power measurement (3P3W unbalance)
Fig. 10
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UT219P User Manual
Short press
Main display: Power factor
Auxiliary display 1: Active power
Auxiliary display 2: AC voltage
Auxiliary display 3: AC current
Short press
UT219P User Manual
1) Connect red test lead (connected with red alligator clip already) with "V" terminal; and
black (connected with black alligator clip already) with "COM".
Δ
2) Set the rotary switch to "3PW", press " / 3P3W " to select 3P3W unbalance mode, then the
clamp enters P1 wire connection interface, as shown below:
"L1" on top right corner indicates the jaws clamp L1 live wire, "L2" on bottom left corner
indicates test lead from COM terminal connects with L2 live wire, "L1" on bottom right corner
indicates test lead from V terminal connects with L1 live wire. The finger symbol on "HOLD"
segment flashes to indicate pressing "HOLD" button to enter P1 measurement interface.
3) According to the wire connection interface (Fig. 10), clamp L1 live wire, connect L1 live wire
with test lead from V terminal, and connect L2 live wire with test lead from COM terminal,
then press "HOLD" button to enter P1 measurement interface, as shown below:
The finger symbol on "HOLD" segment flashes to indicate pressing "HOLD" button to enter P2
wire connection interface.
4) In P1 measurement interface, after the displayed value stabilizes, press "HOLD" button to
enter P2 wire connection interface, as shown below:
"L3" on top right corner indicates the jaws clamp L3 live wire, "L2" on bottom left corner
indicates test lead from COM terminal connects with L2 live wire, "L3" on bottom right corner
indicates test lead from V terminal connects with L3 live wire. The finger symbol on "HOLD"
segment flashes to indicate pressing "HOLD" button to enter P2 measurement interface.
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